CN217346495U

CN217346495U - Plastic product injection mold with anti-blocking function

Info

Publication number: CN217346495U
Application number: CN202123359565.3U
Authority: CN
Inventors: 邹玲; 杨帆
Original assignee: Suzhou Xunxin Plastic Mould Co ltd
Current assignee: Suzhou Xunxin Plastic Mould Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-09-02
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses an injection mold for plastic products with anti-blocking function, which comprises a lower module, wherein the top of the lower module is provided with an upper module, the top of the upper module and the bottom of the lower module are both fixedly connected with a connecting plate, the top of the upper module is provided with a feeding hole, and a stub bar disengaging device is arranged between the upper module and the lower module; stub bar disengaging gear includes two sliding blocks, and the connecting hole has been seted up to the last module, and sliding block sliding connection has been seted up in the inner chamber of connecting hole to the bottom of sliding block, and the guide way has been seted up to the inner chamber of guide way slip cup joints the guide bar, the bottom and the lower module fixed connection of guide bar. The utility model discloses utilize module down, go up module and stub bar disengaging device's mode that sets up, go up module upward movement and lower module after separating, just can make two guide bars drive two sliding block back of the body motion, and then reduce the frictional force between stub bar and the last module, and then be convenient for stub bar and last module separation to reduce the condition that the mould takes place the putty.

Description

Plastic product injection mold with anti-blocking function

Technical Field

The utility model relates to an injection mold field, in particular to injection mold for plastic product with prevent stifled function.

Background

In the industrial production of moulds and tools for injection moulding, blow moulding, extrusion, die-casting or forging, smelting, stamping, etc. to obtain the desired products, in short, moulds are tools for making shaped articles, which tools are composed of various parts, and different moulds are composed of different parts.

The mould comprises upper and lower separable module usually, goes up the module and can move down, thereby just can take out the product when going up the module separation, go up the module and be connected with the feeding spiral pipe of injection molding machine usually, thereby pour into the material of moulding plastics between the upper and lower module, but the feed port on the module can form the stub bar after injection moulding product accomplishes, and after stub bar and product fracture, block up easily in the feed port of last module, thereby influence its follow-up moulding plastics, and then reduce its practicality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold for plastic product with prevent stifled function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the injection mold for the plastic products with the anti-blocking function comprises a lower module, wherein the top of the lower module is provided with an upper module, the top of the upper module and the bottom of the lower module are both fixedly connected with a connecting plate, the top of the upper module is provided with a feeding hole, and a stub bar separating device is arranged between the upper module and the lower module;

the stub bar disengaging device comprises two sliding blocks, a connecting hole is formed in one side of the upper module, the sliding blocks are symmetrically connected to the inner cavity of the connecting hole in a sliding mode, a guide groove is formed in the bottom of the sliding blocks, a guide rod is sleeved in the inner cavity of the guide groove in a sliding mode, and the bottom of the guide rod is fixedly connected with the lower module.

Preferably, two the fluting has been seted up to the opposite one side of sliding block, two the grooved inner chamber matches with the inner chamber of feed port.

Preferably, a threaded hole is formed in the top of one of the connecting plates, a feed head is sleeved in the threaded hole in an inner cavity in a threaded penetrating mode, and the inner cavity of the feed head is communicated with the inner cavity of the feed hole.

Preferably, the bottom of the inner wall of the connecting hole is symmetrically provided with sliding holes, and the outer wall of the guide rod is in sliding sleeve connection with the inner cavity of the sliding hole.

Preferably, the spout has all been seted up to the both sides of connecting hole inner wall, the equal fixedly connected with slider in both sides of slider, the outer wall of slider cup joints with the inner chamber slip of spout.

Preferably, the inner cavity of the sliding groove is sleeved with a spring in a sliding mode, the spring is located between the two sliding blocks, and the two sides of the bottom of the inner wall of the connecting hole are fixedly connected with positioning blocks.

Preferably, go up the equal fixedly connected with locating lever in four edges of module bottom, the constant head tank has all been seted up in four edges at module top down, the outer wall of locating lever slides with the inner chamber of constant head tank and cup joints.

The utility model discloses a technological effect and advantage:

(1) the utility model discloses utilize the mode of setting of lower module, upper module and stub bar separation device, after upper module upward movement and lower module separation, just can make two guide bars drive two sliding blocks back to back movement, and then reduce the frictional force between stub bar and the upper module, and then be convenient for stub bar and upper module separation to reduce the condition that the mould takes place the putty;

(2) the utility model discloses utilize the cooperation of two locating pieces, four sliders and two springs to use, the slider can be guaranteed the sliding block at the gliding stability of connecting hole, and after two sliding blocks were opened, two locating pieces and spring can carry out the position to two sliding blocks and prescribe a limit to, avoid the sliding block to take place the displacement, lead to the module and can't close the membrane with lower module.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the front internal structure of the present invention.

Fig. 3 is an internal structure diagram of the first module.

In the figure: 1. a lower module; 2. an upper module; 3. a connecting plate; 4. a feed port; 5. a stub bar disengaging device; 51. a slider; 52. connecting holes; 53. a guide groove; 54. a guide bar; 55. grooving; 56. a slide hole; 57. a chute; 58. a slider; 59. positioning blocks; 510. a spring; 6. a feed head; 7. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an injection mold for plastic product with prevent stifled function as shown in fig. 1-3, including module 1 down, the top of module 1 is provided with module 2 down, the equal fixedly connected with locating lever 7 in four edges of last module 2 bottom, the constant head tank has all been seted up in four edges at module 1 top down, the outer wall of locating lever 7 slides with the inner chamber of constant head tank and cup joints, the top of last module 2 and the equal fixedly connected with connecting plate 3 in bottom of module 1 down, feed port 4 has been seted up at the top of last module 2, two flutings 55 between feed port 4 and two sliding blocks 51 can form one and go up thin thick aperture down, and then the stub bar that forms is convenient for with last module 2 separation, be provided with stub bar disengaging gear 5 between last module 2 and the lower module 1.

Stub bar disengaging device 5 includes two sliding blocks 51, connecting hole 52 has been seted up to one side of last module 2, two sliding block 51 symmetry sliding connection are in the inner chamber of connecting hole 52, when last module 2 and lower module 1 die sinking, two guide bars 54 drive two sliding block 51 back-to-back motion, reduce area of contact between stub bar and the last module 2, thereby the stub bar drawing of patterns of being convenient for, guide way 53 has been seted up to sliding block 51's bottom, guide bar 54 is cup jointed in the inner chamber slip of guide way 53, the bottom of guide way 53 inner wall has certain arc, thereby the guide bar 54 of being convenient for docks rather than, the bottom and the lower module 1 fixed connection of guide bar 54.

The opposite sides of the two sliding blocks 51 are provided with grooves 55, the inner cavities of the two grooves 55 are matched with the inner cavity of the feeding hole 4, the top of one of the connecting plates 3 is provided with a threaded hole, the inner cavity of the threaded hole is threaded and sleeved with the feeding head 6, and the inner cavity of the feeding head 6 is communicated with the inner cavity of the feeding hole 4.

Slide opening 56 has been seted up to the bottom symmetry of connecting hole 52 inner wall, the outer wall of guide bar 54 cup joints with the inner chamber slip of slide opening 56, spout 57 has all been seted up to the both sides of connecting hole 52 inner wall, the equal fixedly connected with slider 58 in both sides of sliding block 51, the outer wall of slider 58 cup joints with the inner chamber slip of spout 57, the inner chamber slip of spout 57 has cup jointed spring 510, spring 510 is located between two sliders 58, the equal fixedly connected with locating piece 59 in both sides of connecting hole 52 inner wall bottom, locating piece 59 and spring 510 can carry out the position to two sliding block 51 open mode and prescribe a limit to, thereby when module 2 descends and closes the membrane with lower module 1 on it, be convenient for guide bar 54 cup joints with the guide way 53 slip of sliding block 51 bottom.

The utility model discloses the theory of operation: when the upper module 2 and the lower module 1 are matched to use an injection product for mold opening, the upper module 2 rises to be separated from the lower module 1, the two sliding blocks 51 move back to back under the action of the two corresponding guide rods 54 until the guide rods 54 are separated from the sliding blocks 51, at the moment, one sides of the two sliding blocks 51, which are back to back, are attached to the positioning blocks 59, the two sliding blocks 51 move back to back and are separated, so that the contact area between the stub bar and the upper module 2 is reduced, the product and the stub bar joint can drive the product to be separated from the upper module 2, the condition of material blockage of the upper module 2 is reduced, when the upper module 2 descends and is combined with the lower module 1, the guide rods 54 penetrate through the sliding holes 56 to be slidably sleeved with the guide grooves 53, so that the two guide rods 54 drive the two sliding blocks 51 to move relatively until the upper module 2 is attached to the lower module 1, at the moment, the two sliding blocks 51 are attached to ensure that the material of the injection molding machine flows from the feeding head 6, The material is injected into the feed hole 4 on the upper module 2 and the slot 55 between the two sliding blocks 51, so that the injection product processing is realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The injection mold with the anti-blocking function for the plastic products comprises a lower module (1) and is characterized in that an upper module (2) is arranged at the top of the lower module (1), the top of the upper module (2) and the bottom of the lower module (1) are both fixedly connected with a connecting plate (3), a feeding hole (4) is formed in the top of the upper module (2), and a stub bar separating device (5) is arranged between the upper module (2) and the lower module (1);

stub bar disengaging device (5) include two sliding blocks (51), connecting hole (52), two have been seted up to one side of going up module (2) sliding block (51) symmetry sliding connection in the inner chamber of connecting hole (52), guide way (53) have been seted up to the bottom of sliding block (51), guide bar (54) are cup jointed in the inner chamber slip of guide way (53), the bottom and lower module (1) fixed connection of guide bar (54).

2. An injection mold for plastic products with anti-blocking function as claimed in claim 1, wherein one side of the two sliding blocks (51) opposite to each other is provided with a slot (55), and the inner cavities of the two slots (55) are matched with the inner cavity of the feeding hole (4).

3. The injection mold for plastic products with the anti-blocking function as claimed in claim 1, wherein a threaded hole is formed in the top of one of the connecting plates (3), a feed head (6) is inserted and sleeved in an inner cavity of the threaded hole in a threaded manner, and an inner cavity of the feed head (6) is communicated with an inner cavity of the feed hole (4).

4. The injection mold for plastic products with the anti-blocking function as claimed in claim 1, wherein the bottom of the inner wall of the connecting hole (52) is symmetrically provided with sliding holes (56), and the outer wall of the guide rod (54) is slidably sleeved with the inner cavity of the sliding holes (56).

5. The injection mold with the anti-blocking function for the plastic products as claimed in claim 1, wherein sliding grooves (57) are formed in both sides of the inner wall of the connecting hole (52), sliding blocks (58) are fixedly connected to both sides of the sliding block (51), and the outer wall of the sliding block (58) is slidably sleeved with the inner cavity of the sliding groove (57).

6. The injection mold for plastic products with the anti-blocking function according to claim 5, wherein a spring (510) is slidably sleeved in an inner cavity of the sliding groove (57), the spring (510) is located between the two sliding blocks (58), and positioning blocks (59) are fixedly connected to two sides of the bottom of the inner wall of the connecting hole (52).

7. The injection mold for plastic products with anti-blocking function as claimed in claim 1, wherein positioning rods (7) are fixedly connected to four corners of the bottom of the upper module (2), positioning grooves are formed in four corners of the top of the lower module (1), and outer walls of the positioning rods (7) are slidably sleeved with inner cavities of the positioning grooves.